Hourly Weather Forecast - Prospect Heights, IL

12 AM
21°F
10%
17mph
WNW
Cloudy
Humidity
65%
Feels like
7°F
Dew Point
11°F
1 AM
20°F
10%
16mph
WNW
Cloudy
Humidity
63%
Feels like
5°F
Dew Point
9°F
2 AM
19°F
10%
16mph
WNW
Cloudy
Humidity
61%
Feels like
4°F
Dew Point
8°F
3 AM
18°F
0%
15mph
WNW
Cloudy
Humidity
59%
Feels like
4°F
Dew Point
6°F
4 AM
18°F
0%
15mph
WNW
Cloudy
Humidity
58%
Feels like
3°F
Dew Point
5°F
5 AM
17°F
0%
13mph
WNW
Cloudy
Humidity
57%
Feels like
3°F
Dew Point
4°F
6 AM
16°F
0%
12mph
NW
Mostly Cloudy
Humidity
57%
Feels like
3°F
Dew Point
4°F
7 AM
16°F
0%
12mph
WNW
Mostly Cloudy
Humidity
56%
Feels like
3°F
Dew Point
3°F
7:15 AM
8 AM
17°F
0%
11mph
WNW
Partly Cloudy
Humidity
54%
Feels like
4°F
Dew Point
3°F
9 AM
18°F
0%
10mph
WNW
Mostly Sunny
Humidity
51%
Feels like
6°F
Dew Point
3°F
10 AM
19°F
0%
9mph
W
Mostly Sunny
Humidity
49%
Feels like
8°F
Dew Point
3°F
11 AM
20°F
10%
9mph
W
Sunny
Humidity
46%
Feels like
10°F
Dew Point
3°F
12 PM
21°F
10%
8mph
WSW
Sunny
Humidity
44%
Feels like
12°F
Dew Point
3°F
1 PM
22°F
0%
8mph
SW
Sunny
Humidity
44%
Feels like
13°F
Dew Point
4°F
2 PM
23°F
10%
8mph
SW
Sunny
Humidity
44%
Feels like
13°F
Dew Point
4°F
3 PM
23°F
10%
8mph
SSW
Sunny
Humidity
46%
Feels like
14°F
Dew Point
5°F
4 PM
23°F
10%
8mph
S
Mostly Sunny
Humidity
48%
Feels like
13°F
Dew Point
6°F
4:22 PM
5 PM
23°F
10%
8mph
S
Partly Cloudy
Humidity
50%
Feels like
13°F
Dew Point
7°F
6 PM
23°F
10%
9mph
S
Partly Cloudy
Humidity
52%
Feels like
13°F
Dew Point
8°F
7 PM
24°F
10%
10mph
S
Partly Cloudy
Humidity
55%
Feels like
13°F
Dew Point
10°F
8 PM
24°F
10%
11mph
S
Partly Cloudy
Humidity
57%
Feels like
13°F
Dew Point
11°F
9 PM
24°F
10%
12mph
S
Partly Cloudy
Humidity
60%
Feels like
13°F
Dew Point
13°F
10 PM
25°F
10%
12mph
S
Partly Cloudy
Humidity
62%
Feels like
14°F
Dew Point
14°F
11 PM
26°F
10%
12mph
S
Mostly Cloudy
Humidity
64%
Feels like
15°F
Dew Point
15°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Monday's Weather Outlook

Monday's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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